import random
#print(random.choice('abcdefghijklmnopqrstuvwxyz!@#$%^&*()'))

#print(random.sample('zyxwvutsrqponmlkjihgfedcba',5))

print (''.join(random.sample(['z','y','x','w','v','u','t','s','r','q','p','o','n','m','l','k','j','i','h','g','f','e','d','c','b','a'], 5)))